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Building the Interface

Before using the interface for Google BigQuery™, it is required to build a jar using Maven™. The matlab-gcp-common houses the pom.xml file with dependencies which can be found in: matlab-gcp-common/Software/Java/. Maven requires that a JDK (Java® 7 or later) is installed and that the JAVA_HOME environment variable is set to the location of the JDK. On Windows® the MAVEN_HOME environment variable should also be set. Consult the Maven documentation for further details.

Use the following commands or operating system specific equivalents to perform a maven build of the package's jar file.

$ cd matlab-gcp-common/Software/Java
$ mvn clean verify package

The pom file currently references version 1.99.0 of the google-cloud-bigquery SDK:

    <dependency>
        <groupId>com.google.cloud</groupId>
        <artifactId>google-cloud-bigquery</artifactId>
        <version>1.99.0</version>
    </dependency>

To build with a more recent version of the SDK, amend the pom file to a specific version or use the following syntax to allow maven to select a newer version. Caution, this may result in build or runtime issues.

<dependency>
  <groupId>com.google.cloud</groupId>
  <artifactId>google-cloud-bigquery</artifactId>
  <version>[1.99.0,)</version>
  <type>pom</type>
  <scope>import</scope>
</dependency>

The output of the build is a JAR file that is placed in matlab-gcp-common/Software/MATLAB/lib/jar folder for use by MATLAB.

Once the jar is built, use the mathworks-gcp-support/matlab-google-bigquery/Software/MATLAB/startup.m function to initialize the interface.

cd('mathworks-gcp-support/matlab-google-bigquery/Software/MATLAB')
startup

The package is now ready for use.